﻿#region License
/***********************************************
 *  WCFReactiveX v.1
 *  Written by James Levingston
 *  
 *  To get latest version or to see latest info:
 *  http://wcfreactivex.codeplex.com/
 *  
 *  The MIT License (MIT)
 *  http://en.wikipedia.org/wiki/MIT_License
 *  Copyright (C) <2011> by <James Levingston>
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.

 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 ***/
#endregion

using System;
using System.Collections.Generic;

namespace WCFReactiveX
{
    /// <summary>
    /// Factory class creates new classes related to the WCFReactiveX
    /// </summary>
    public class Factory : IFactory
    {
        /// <summary>
        /// Creates IProviderResult'TResult, 'TMessage
        /// </summary>
        /// <typeparam name="TResult">generic type</typeparam>
        /// <typeparam name="TMessage">generic type</typeparam>
        /// <param name="itemToAdd"></param>
        /// <param name="createMessages"></param>
        /// <param name="invoke"></param>
        /// <returns></returns>
        public virtual IProviderResult<TResult, TMessage> InvokeServiceResult<TResult, TMessage>(
            TResult itemToAdd,
            Func<IList<TMessage>> createMessages,
            Func<TResult, IProviderResult<TResult, TMessage>> invoke)
        {
            var result = invoke(itemToAdd);
            if (createMessages != null)
                result.Messages = createMessages();
            return result;
        }   
        /// <summary>
        /// Creates a TException type. TException must be derived from ProviderException
        /// </summary>
        /// <typeparam name="TException">generic type</typeparam>
        /// <param name="ex"></param>
        /// <returns></returns>
        public virtual TException InvokeServiceException<TException>(Exception ex) where TException : ProviderException
        {
            TException x = this.MapObject<Exception, TException>(ex);
            x.Exception = ex;
            return x;
        }
    }
}
